Cook County is a county which is located in the state of Illinois in the United States of America. It covers a total area of approximately 4, 235 square kilometres or 1, 635 square miles. Out of this area, the portion which is covered by land in Cook County (Illinois) is approximately 2, 449 square kilometres or 946 square miles. The remaining area, which accounts for approximately 42.16 per cent of the total area of the county, is made up of water.
According to the census of population in the year 2000, the population of Cook County (Illinois) was estimated to be approximately 5, 376, 741. It is the second-largest county in the United States of America in terms of the population. Only Los Angeles County in the state of California has more residents.
According to the census of population in the year 2000, the population of Cook County (Illinois) was estimated to be approximately 5, 376, 741. It is the second-largest county in the United States of America in terms of the population. Only Los Angeles County in the state of California has more residents.